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[1]夏 艳,黄志良*,程怡林.铁离子交换法从黑云母中提钾及水合铁云母的电化学性能[J].武汉工程大学学报,2022,44(04):408-411.[doi:10.19843/j.cnki.CN42-1779/TQ.202105027]
 XIA Yan,HUANG Zhiliang*,CHENG Yilin.Potassium Extraction From Biotite by Ferric Ion-Exchange and Electrochemical Properties of Hydrated Fe-Mica[J].Journal of Wuhan Institute of Technology,2022,44(04):408-411.[doi:10.19843/j.cnki.CN42-1779/TQ.202105027]
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铁离子交换法从黑云母中提钾及水合铁云母的电化学性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
44
期数:
2022年04期
页码:
408-411
栏目:
材料科学与工程
出版日期:
2022-08-31

文章信息/Info

Title:
Potassium Extraction From Biotite by Ferric Ion-Exchange and Electrochemical Properties of Hydrated Fe-Mica
文章编号:
1674 - 2869(2022)04 - 0408 - 04
作者:
夏 艳黄志良*程怡林
武汉工程大学材料科学与工程学院,湖北 武汉 430205
Author(s):
XIA Yan HUANG Zhiliang* CHENG Yilin
School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430205, China
关键词:
黑云母离子交换法铁离子提钾电化学性能
Keywords:
biotite ion exchange method ferric ions potassium extraction electrochemical properties
分类号:
TD985
DOI:
10.19843/j.cnki.CN42-1779/TQ.202105027
文献标志码:
A
摘要:
选用含钾量较高的黑云母,采用铁离子交换法从中提取可溶性钾离子,制备了水合铁云母负极材料。通过X射线衍射,探究反应时间与添加硝酸铁的质量对提钾率的影响。结果表明,提钾后的水合铁云母的层状结构完整,在添加10 g Fe(NO3)3·9H2O反应40 min的条件下提钾率高达95.4%。对样品进行循环充放电测试,水合铁云母负极材料在0.4 A/g电流密度下的首圈放电比电容为10.14 F/g,与相同条件下黑云母原矿(3.032 F/g)、水合钠云母(9.8 F/g)相比,电化学性能有明显提高。
Abstract:
The soluble potassium ion was extracted from biotite with high potassium content by using the ferric ion-exchange method,and the hydrated Fe-mica anode material was prepared. X-ray diffraction was conducted,and the effects of reaction time and the mass of ferric nitrate on the potassium extraction rate were investigated. The results indicate that the layered structure of the hydrated Fe-mica after the potassium extraction is intact. The potassium extraction rate reaches 95.4% after a reaction of 40 minutes by adding 10 g Fe(NO3)3·9H2O. The cyclic charge-discharge test on the samples was carried out and the results show that the initial discharge specific capacity of the hydrated Fe-mica anode material reaches 10.14 F/g at the current density of 0.4 A/g. The electrochemical property of the biotite is significantly improved compared with that of the biotite ore (3.032 F/g) and the hydrated Na-mica (9.8 F/g) under the same conditions.

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备注/Memo

备注/Memo:
收稿日期:2021-05-26
基金项目:国家自然科学基金(51374155);湖北省科技支撑计划(2014BCB034,2015BAA105);湖北省自然科学基金(2014CFB796)
作者简介:夏 艳,硕士研究生。E-mail:[email protected]
*通讯作者:黄志良,博士,教授。E-mail:[email protected]
引文格式:夏艳,黄志良,程怡林. 铁离子交换法从黑云母中提钾及水合铁云母的电化学性能[J]. 武汉工程大学学报,2022,44(4):408-411,416.

更新日期/Last Update: 2022-08-25